Research Article
Service Recommendation with High Accuracy and Diversity
Table 3
The user’s history rating records.
| | Entertainment | Military | Sports | | Webu1 | Null | 2 | 4 | | Webu2 | 2 | 3 | 5 | | Webu3 | Null | 1 | 3 | | Webu4 | 3 | 2 | 5 | | Webu5 | 4 | 1 | 3 |
| | Life | Finance | Cars | | Webu1 | 4 | 1 | Null | | Webu2 | 4 | 1 | 4 | | Webu3 | 5 | Null | 3 | | Webu4 | 3 | 5 | 2 | | Webu5 | 3 | Null | 1 |
| | Games | Films | Shopping | | Webu1 | 2 | 5 | 1 | | Webu2 | 1 | 3 | 2 | | Webu3 | 1 | 3 | 2 | | Webu4 | 1 | 3 | 3 | | Webu5 | 2 | 5 | Null |
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